Include commits notes in ChangeLog

tool/lib/vcs.rb

@@ -569,7 +569,7 @@ class VCS
       end
       range = [from, (to || 'HEAD')].join('^..')
       cmd_pipe({'TZ' => 'JST-9', 'LANG' => 'C', 'LC_ALL' => 'C'},
-               %W"#{COMMAND} log --format=medium --no-notes --date=iso-local --topo-order #{range}", "rb") do |r|
+               %W"#{COMMAND} log --format=medium --notes=commits --date=iso-local --topo-order #{range}", "rb") do |r|
         format_changelog(r, path)
       end
     end